v. & n.
--v.intr. (often foll. by on, upon, over) consider or contemplate with lust, greed, malice, triumph, etc. (gloated over his collection).
--n.
1. the act of gloating.
2 a look or expression of triumphant satisfaction.
Derivatives:
gloater n. gloatingly adv.
Etymology: 16th c.: orig. unkn., but perh. rel. to ON glotta grin, MHG glotzen stare